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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.syncope.client.console.widgets;
20  
21  import java.util.concurrent.TimeUnit;
22  import org.apache.syncope.client.console.wicket.ws.BasePageWebSocketBehavior;
23  import org.apache.wicket.PageReference;
24  import org.apache.wicket.protocol.ws.api.WebSocketRequestHandler;
25  
26  public abstract class ExtAlertWidget extends AlertWidget {
27  
28      private static final long serialVersionUID = -5622060468533516192L;
29  
30      protected final PageReference pageRef;
31  
32      public ExtAlertWidget(final String id, final PageReference pageRef) {
33          super(id);
34          this.pageRef = pageRef;
35  
36          pageRef.getPage().getBehaviors().stream().
37                  filter(BasePageWebSocketBehavior.class::isInstance).map(BasePageWebSocketBehavior.class::cast).
38                  findFirst().ifPresent(wsb -> wsb.add(new BasePageWebSocketBehavior.OnTimerChild(30, TimeUnit.SECONDS) {
39  
40              private static final long serialVersionUID = 532119924423529449L;
41  
42              @Override
43              protected void onTimer(final WebSocketRequestHandler handler) {
44                  long latestAlterts = getLatestAlertsSize();
45                  if (!String.valueOf(latestAlterts).equals(linkAlertsNumber.getDefaultModelObjectAsString())) {
46                      linkAlertsNumber.setDefaultModelObject(latestAlterts);
47                      handler.add(linkAlertsNumber);
48  
49                      headerAlertsNumber.setDefaultModelObject(latestAlterts);
50                      handler.add(headerAlertsNumber);
51                  }
52              }
53          }));
54      }
55  }